812378126176 has 24 divisors (see below), whose sum is σ = 1601006518440. Its totient is φ = 405773296128.

The previous prime is 812378126167. The next prime is 812378126179. The reversal of 812378126176 is 671621873218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812378126179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12960966 + ... + 13023493.

It is an arithmetic number, because the mean of its divisors is an integer number (66708604935).

Almost surely, 2^812378126176 is an apocalyptic number.

It is an amenable number.

812378126176 is a deficient number, since it is larger than the sum of its proper divisors (788628392264).

812378126176 is a wasteful number, since it uses less digits than its factorization.

812378126176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25985446 (or 25985438 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The spelling of 812378126176 in words is "eight hundred twelve billion, three hundred seventy-eight million, one hundred twenty-six thousand, one hundred seventy-six".